For proceedings and results of the meetings of the Electoral College, please see the following works -
Volume 207 - Meetings of Presidential Electors in Maryland, 1789-2000
Volume 208 - Original Proceedings of the Electors of President and Vice-President of the United States in Maryland, 1789-1980

How the Electoral College Works
The Distribution of Electoral College Votes amongst the States (1981-1990, 1991-2000, and 2001-2010)
A Brief History of the Electoral College along with pro's and con's and a selected bibliography. This document was created by the Federal Election Commission.

For a summary of national Electoral College and popular votes in past presidential elections, go to the Electoral College Home Page of the National Archives.

Too Close to Call, a Maryland State Archives Document Packet for the Classroom, featuring the Maryland Presidential Election of 1904.

For Maryland Elections to 1986, see:

John T. Willis. Presidential Elections in Maryland. (Lomond Publications, Inc.: Mt. Airy, Maryland, 1984).
George H. Callcott. Maryland Political Behavior: Four Centuries of Political Culture. (Maryland Historical Society and Maryland State Archives: Baltimore and Annapolis, 1986).